160 lines
6.9 KiB
Python
160 lines
6.9 KiB
Python
"""Tests for hermes_cli.managed_uv — one path, no guessing."""
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from __future__ import annotations
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import os
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import stat
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from pathlib import Path
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from unittest.mock import MagicMock, patch
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import pytest
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# ---------------------------------------------------------------------------
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# Helpers
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# ---------------------------------------------------------------------------
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def _make_executable(path: Path) -> None:
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"""Create a minimal fake uv binary at *path*."""
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path.parent.mkdir(parents=True, exist_ok=True)
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path.write_text("#!/bin/sh\necho uv 0.1.2\n")
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path.chmod(path.stat().st_mode | stat.S_IEXEC)
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# ---------------------------------------------------------------------------
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# managed_uv_path
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# ---------------------------------------------------------------------------
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class TestManagedUvPath:
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def test_posix(self, tmp_path):
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with patch("hermes_cli.managed_uv.get_hermes_home", return_value=tmp_path), \
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patch("hermes_cli.managed_uv.platform.system", return_value="Linux"):
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from hermes_cli.managed_uv import managed_uv_path
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assert managed_uv_path() == tmp_path / "bin" / "uv"
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def test_windows(self, tmp_path):
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with patch("hermes_cli.managed_uv.get_hermes_home", return_value=tmp_path), \
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patch("hermes_cli.managed_uv.platform.system", return_value="Windows"):
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from hermes_cli.managed_uv import managed_uv_path
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assert managed_uv_path() == tmp_path / "bin" / "uv.exe"
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# ---------------------------------------------------------------------------
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# resolve_uv
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# ---------------------------------------------------------------------------
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class TestResolveUv:
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def test_missing_returns_none(self, tmp_path):
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with patch("hermes_cli.managed_uv.get_hermes_home", return_value=tmp_path):
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from hermes_cli.managed_uv import resolve_uv
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assert resolve_uv() is None
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def test_existing_executable(self, tmp_path):
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_make_executable(tmp_path / "bin" / "uv")
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with patch("hermes_cli.managed_uv.get_hermes_home", return_value=tmp_path):
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from hermes_cli.managed_uv import resolve_uv
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result = resolve_uv()
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assert result == str(tmp_path / "bin" / "uv")
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def test_non_executable_file_returns_none(self, tmp_path):
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uv = tmp_path / "bin" / "uv"
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uv.parent.mkdir(parents=True)
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uv.write_text("not a binary")
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# Ensure no execute bit
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uv.chmod(0o644)
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with patch("hermes_cli.managed_uv.get_hermes_home", return_value=tmp_path):
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from hermes_cli.managed_uv import resolve_uv
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assert resolve_uv() is None
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# ---------------------------------------------------------------------------
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# ensure_uv
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# ---------------------------------------------------------------------------
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class TestEnsureUv:
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def test_already_installed_no_bootstrap(self, tmp_path):
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_make_executable(tmp_path / "bin" / "uv")
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with patch("hermes_cli.managed_uv.get_hermes_home", return_value=tmp_path):
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from hermes_cli.managed_uv import ensure_uv
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path = ensure_uv()
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assert path == str(tmp_path / "bin" / "uv")
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def test_installs_if_missing(self, tmp_path):
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with patch("hermes_cli.managed_uv.get_hermes_home", return_value=tmp_path), \
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patch("hermes_cli.managed_uv._install_uv") as mock_install:
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# Simulate the installer creating the binary
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def fake_install(target):
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_make_executable(target)
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mock_install.side_effect = fake_install
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from hermes_cli.managed_uv import ensure_uv
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path = ensure_uv()
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assert path == str(tmp_path / "bin" / "uv")
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mock_install.assert_called_once()
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def test_install_failure_returns_none(self, tmp_path):
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with patch("hermes_cli.managed_uv.get_hermes_home", return_value=tmp_path), \
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patch("hermes_cli.managed_uv._install_uv", side_effect=RuntimeError("network down")):
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from hermes_cli.managed_uv import ensure_uv
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path = ensure_uv()
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assert path is None
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# ---------------------------------------------------------------------------
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# update_managed_uv
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# ---------------------------------------------------------------------------
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class TestUpdateManagedUv:
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def test_no_uv_returns_none(self, tmp_path):
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with patch("hermes_cli.managed_uv.get_hermes_home", return_value=tmp_path):
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from hermes_cli.managed_uv import update_managed_uv
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assert update_managed_uv() is None
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def test_self_update_success(self, tmp_path):
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_make_executable(tmp_path / "bin" / "uv")
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with patch("hermes_cli.managed_uv.get_hermes_home", return_value=tmp_path), \
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patch("hermes_cli.managed_uv.subprocess.run") as mock_run:
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# uv self update succeeds
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mock_run.return_value = MagicMock(returncode=0, stdout="uv 0.2.0")
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from hermes_cli.managed_uv import update_managed_uv
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result = update_managed_uv()
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assert result == str(tmp_path / "bin" / "uv")
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# First call is self update, second is --version
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assert mock_run.call_count == 2
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assert mock_run.call_args_list[0][0][0] == [str(tmp_path / "bin" / "uv"), "self", "update"]
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def test_self_update_failure_non_fatal(self, tmp_path):
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_make_executable(tmp_path / "bin" / "uv")
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with patch("hermes_cli.managed_uv.get_hermes_home", return_value=tmp_path), \
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patch("hermes_cli.managed_uv.subprocess.run") as mock_run:
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mock_run.return_value = MagicMock(returncode=1, stderr="nope")
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from hermes_cli.managed_uv import update_managed_uv
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result = update_managed_uv()
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# Still returns the path — failure is non-fatal
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assert result == str(tmp_path / "bin" / "uv")
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# ---------------------------------------------------------------------------
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# _install_uv internals
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# ---------------------------------------------------------------------------
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class TestInstallUvInternals:
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def test_posix_sets_uv_unmanaged_install(self, tmp_path):
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target = tmp_path / "bin" / "uv"
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with patch("hermes_cli.managed_uv._install_uv_posix") as mock_posix:
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from hermes_cli.managed_uv import _install_uv
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_install_uv(target)
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mock_posix.assert_called_once()
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call_env = mock_posix.call_args[0][0]
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assert call_env["UV_UNMANAGED_INSTALL"] == str(tmp_path / "bin")
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def test_windows_sets_uv_install_dir(self, tmp_path):
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target = tmp_path / "bin" / "uv.exe"
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with patch("hermes_cli.managed_uv.platform.system", return_value="Windows"), \
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patch("hermes_cli.managed_uv._install_uv_windows") as mock_windows:
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from hermes_cli.managed_uv import _install_uv
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_install_uv(target)
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mock_windows.assert_called_once()
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call_env = mock_windows.call_args[0][0]
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assert call_env["UV_INSTALL_DIR"] == str(tmp_path / "bin")
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